11-126424603-G-A

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_032531.4(KIRREL3):c.2314C>T(p.Arg772Trp) variant causes a missense change. The variant allele was found at a frequency of 0.00000684 in 1,461,592 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

KIRREL3
NM_032531.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.47

Publications

0 publications found

Variant links:

Genes affected

KIRREL3 (HGNC:23204): (kirre like nephrin family adhesion molecule 3) The protein encoded by this gene is a member of the nephrin-like protein family. These proteins are expressed in fetal and adult brain, and also in podocytes of kidney glomeruli. The cytoplasmic domains of these proteins interact with the C-terminus of podocin, also expressed in the podocytes, cells involved in ensuring size- and charge-selective ultrafiltration. The protein encoded by this gene is a synaptic cell adhesion molecule with multiple extracellular immunoglobulin-like domains and a cytoplasmic PDZ domain-binding motif. Mutations in this gene are associated with several neurological and cognitive disorders. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]

KIRREL3 links:

ST3GAL4 (HGNC:10864): (ST3 beta-galactoside alpha-2,3-sialyltransferase 4) This gene encodes a member of the glycosyltransferase 29 family, a group of enzymes involved in protein glycosylation. The encoded protein is targeted to Golgi membranes but may be proteolytically processed and secreted. The gene product may also be involved in the increased expression of sialyl Lewis X antigen seen in inflammatory responses. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

ST3GAL4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.31693745).

BS2

High AC in GnomAdExome4 at 10 AD,Unknown gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KIRREL3	NM_032531.4 link	c.2314C>T	p.Arg772Trp	missense_variant	Exon 17 of 17	ENST00000525144.7	NP_115920.1	Q8IZU9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
KIRREL3	ENST00000525144.7 link	c.2314C>T	p.Arg772Trp	missense_variant	Exon 17 of 17	1	NM_032531.4	ENSP00000435466.2	Q8IZU9-1
KIRREL3	ENST00000529097.6 link	c.2278C>T	p.Arg760Trp	missense_variant	Exon 16 of 16	1		ENSP00000434081.2	E9PRX9
ST3GAL4	ENST00000524834.5 link	n.629+15192G>A		intron_variant	Intron 6 of 6	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000803

AC:

AN:

249190

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000885

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000684

AC:

AN:

1461592

Hom.:

Cov.:

AF XY:

0.00000825

AC XY:

AN XY:

727068

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53390

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5700

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1111854

Other (OTH)

AF:

0.00

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 18, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.2314C>T (p.R772W) alteration is located in exon 17 (coding exon 17) of the KIRREL3 gene. This alteration results from a C to T substitution at nucleotide position 2314, causing the arginine (R) at amino acid position 772 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.55

BayesDel_addAF

Benign

-0.032

BayesDel_noAF

Benign

-0.19

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.21

T;T

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.55

FATHMM_MKL

Uncertain

0.88

LIST_S2

Pathogenic

0.99

D;D

M_CAP

Benign

0.068

MetaRNN

Benign

0.32

T;T

MetaSVM

Benign

-0.32

MutationAssessor

Benign

0.0

N;.

PhyloP100

6.5

PrimateAI

Pathogenic

0.80

PROVEAN

Benign

-2.3

N;N

REVEL

Uncertain

0.41

Sift

Uncertain

0.0020

D;D

Sift4G

Uncertain

0.0040

D;D

Polyphen

1.0

D;D

Vest4

0.45

MutPred

0.34

Gain of catalytic residue at L770 (P = 0.0042);.;

MVP

0.18

MPC

1.2

ClinPred

0.93

GERP RS

4.9

Varity_R

0.17

gMVP

0.49

Mutation Taster

=36/64

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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11-126424603-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over